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Search Again :: Adv Search 1000 results in 0.042s
<1234567…34>
  • Silent ROM Beeper Routine in SpinA new year -- a new idiot question! :) I've been playing around with Spectrum sounds of the old, beepy kind. When I wiggle[1] the speaker 'by hand' …

    ... the Specrum's own ROM 'BEEPER' routine (48k ROM) in Spin 0.666 ...
    RoseCotton RoseCotton January 2010 Development
  • 128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…

    ... />
    [code]
    ; 128 rom paging routine
    ; use rst 28h with ... in rom1 of the return routine

    push de ; put ... the required routine

    ; ret ; the ret at the end of ... the routine will be to ...
    chev chev August 2008 Development
  • Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…

    ... idea is to use the ROM printer routine to print 32 characters ... each time the routine is called, updating the de ... I need to do an AT 1,0 using RST 16 ...
    daveysludge daveysludge September 2014 Development
  • ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…

    ... />
    I am using the ROM print routines a lot in ... I'd like to set AT to. This is working well ... character. I'm assuming the ROM print routines are updating other ...
    LD (IY+1), 64. AT 2, 3
    CALL 11563 ...
    Kevin_C Kevin_C December 2016 Development
  • A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…

    ... purpose.

    The routine weighs in at 283 bytes and defines ... = 0
    call 8859 ;inside ROM routine BORDER ($2294)
    call 3503 ... defb 22,12,7,"RIGHT" ;AT 12,7
    defb 22 ... /> defb 22,20,7,"BOMB" ;AT 20,7
    ctrs_eos equ ...
    Ast_A_Moore Ast_A_Moore October 2017 Development
  • New TZX v1.13 document availableHello everybody! After a bunch of months we have finally provided a copy of the TZX format specification: [url="http://www.ramsoft.bbk.org/tzxform.…

    ... being pilot pulse numbers for ROM save routine).

    This is ... Spectrum demogroup ////
    Visit us at [url="http://www.ramsoft.bbk ...
    Stefano Stefano February 2005 MIA/STP/SDP
  • How do I get a random numberHi, I need a simple routine to get a random number from 1 to 4. I don't need nothing very complex or that much random, it just have to produce diffe…

    ... />
    I need a simple routine to get a random number ... looked into S-RND (in ROM at addr #25F8) but I'm ...
    AE.Vasconcelos AE.Vasconcelos May 2005 Development
  • test my loader?Hello. I was playing around trying to customise the ROM loading routine, but I quickly realised that although I'd found out how to change the border…

    ... around trying to customise the ROM loading routine, but I quickly realised ... Loader' from YS, and looked at how he'd done it ... noticed it was just the ROM routines with a few instructions ...
    mulder mulder September 2005 Development
  • +3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…

    ... . When it enters the routine the 48k ROM is paged in and ... the three ROM routines addressed are where they ... it jumps back into the ROM at MAIN-3 it does a ...
    Battle Bunny Battle Bunny August 2010 Sinclair Basic
  • MIA: Magic Worm - is my copy good enough?Years ago when I was a teenager in Sheffield, I was given a copy of Magic Worm by the chap who lived next door to my grandparents. His son (Richard H…

    ... name was) worked for Psion at the time, and I believe ... file too, as only the ROM loading routine is used.
    u6c87 u6c87 April 2013 MIA/STP/SDP
  • Colour whilst PLOTing in MCI am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its o…

    I am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its own!

    How do I make it INVERSE, FLASH, OVER etc?
    daveysludge daveysludge June 2013 Development
  • Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…

    ... 'm trying to write a routine that plots 3 pixels to ...
    call $22E5 ;call ROM plot routine
    pop bc
    inc ...
    daveysludge daveysludge July 2013 Development
  • Un-PLOTting in the #0 areaHow do I go about un-PLOTting in the bottom 2 lines. I am aware the ROM PLOT routine only works in the top 22 rows, so how would I go about depletin…

    ... /> I am aware the ROM PLOT routine only works in the top ... bar in that area? (#0 AT 1,2)

    Am ...
    daveysludge daveysludge January 2014 Development
  • Un-PLOTting in the #0 areaHow do I go about un-PLOTting in the bottom 2 lines. I am aware the ROM PLOT routine only works in the top 22 rows, so how would I go about depletin…

    ... /> I am aware the ROM PLOT routine only works in the top ... bar in that area? (#0 AT 1,2)

    Am ...
    daveysludge daveysludge January 2014 Development
  • TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…

    ... is erased and formatting continues at the start of the ... parity byte written by the ROM SAVE routine. Some editors might treat ... /> [*]Lines starting REM are wrapped at 32 with no indent to ... /> [*]Floating right margin, to wrap at the last punctuation point.
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • Interface 1 ROM replacementHi All! I wrote down my story because I think that somebody might have similar problem and can find some ideas here how to overcome it... :) Recent…

    ... br /> I removed the ROM and the ZX Spectrum started ... any commands that needed the ROM, it failed with the ... with an "external Interface 1 ROM":
    [IMG]http:// ... Spectrum pages in that ROM at only a certain points:< ... no space for a ROM interface board, so the ...
    jimre jimre June 2014 Hardware
  • Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…

    ...
    * Do not need the ROM at all
    * Have motion on ...
    Mr X Mr X October 2016 Games
  • Need help with keyboard scanning ?After getting frustrated with learning ASM for a while I'm back into it. The little listing below is using the ROM's PRINT AT routine to draw me a sp…

    ... below is using the ROM's PRINT AT routine to draw me a ...
    ivanb303 ivanb303 November 2017 Development
  • problem with symbol shift and caps shift key combinations on multilayer keyboard membranesHello, I know, it is generally know that some ZX Spectrums with multilayer keyboard membranes have problems with some key combinations. Typically …

    ... problems. I rewrote keyboard reading routine by using part of someone ... used code in ZX Spectrum ROM at address 654. If it was ... write very simple relocable test routine https://cygnus.speccy.cz/tmp ... addresses and maybe - maybe at 65280 (exactly in area 0xfe00 ...
    cygnus cygnus January 2019 Assembler
  • TAP files for DivIDE/DivMMCSeveral .TAP files of Spectrum games circulating on the Web won't work with a DivIDE/DivMMC interface. Most of the times this is due to the fact that…

    ... recorded at normal speed but loaded without calling the standard ROM loading routine ... are no .TAP files available at all.

    I created ... that they use the standard ROM calls, or by waiting for ...
    Alessandro Grussu Alessandro Grussu April 2020 Games
  • WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…

    ... Putnik tested the level at pin 28 at which input bit ... 0, on both Issues. At the hardware level, the only ... PRINT IN 254 is typed at a BASIC prompt, the ... every keystroke, and the ROM beep routine contains a OR 8 ... 32K RAM and 16K ROM are working independently of ...
    Dr BEEP Dr BEEP November 2001 Sales
  • TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…

    ... resolution attributes (color was at 8x1 pixels instead of the ... function dispatcher to execute a ROM routine or function. Other improvements ... a header in the cartridge ROM at specific memory addresses (either ... and its software, which at the time were selling ...
    Sparky Sparky December 2002 Sinclair Miscellaneous
  • New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…

    ... ! Didn't receive anything at all from you since our ... load code and execute it at 59970; that loads the ... and returns to BASIC at line 30 once loading ... there is the 'decompress' routine for the main game, ... a copy of the ROM loader routine which has been 'fiddled ...
    Lee Tonks Lee Tonks October 2004 Games
  • TZX formatQuick question: What is the current pulse level at the start of a TZX file? Difficult question: Why does the format say that the final pulse shoul…

    ... /> [/quote]

    The ROM save routine doesn't add any extra ... -RET procedure (0x053F) is called at the end of the process ... file, to let the loading routine see the additional high-to ... signal fades to 0 volts at the end, which is neither ...
    Luca Luca March 2005 Development
  • Weird loaders; 1) Why? 2) How? (Curiosity question)Hello again. Sorry to be asking/posting so much today, but I've just arrived here and am plumbing the depths of nearly 22 years of making cups of te…

    ... /> Yes: every time the ROM loading routine receives an edge (a change ... the border colour gets changed at a higher frequency) and a ... the speaker is being alternated at a higher frequency).
    < ... were (mostly) faster than the ROM code. Generally, the custom ...
    Philip Kendall Philip Kendall May 2005 Sinclair Basic
  • Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…

    ... messages, the ROM is identical to the ROM in the 1985 ... appear at address $0004 in the earlier Spanish 128K editor ROM. ... jumps to the non-existent ROM-paging routine at $5B00.

    ... have caused problems. The ROM had $FFFF at $38FF, $39FF, $3AFF ...
    Geoff Geoff June 2005 Sinclair Miscellaneous
  • Tipshop - hacks wanted!Hello all.. We at the Tipshop are on the lookout for type-in hacks from the mags. There aren't that many on Tipshop just now because they never OCR …

    Tim Deily's Deathchase type-in hack on the Tipshop won't ever work as it stands. Not while it's calling the ROM Load routine at 1622 it won't!

    Yes, I know it's an OCR prob :)
    Woody Woody October 2005 Wanted
  • Funniest Spectrum-related memorySeeing the emulated loading screen on the Dreamcast speccy emulator reminded me of something from many moons ago. I was in the local computer shop w…

    ... 1302 but the spectrum's ROM SAVE routine (which is what all ... jump into) can only save, at best, just short of 64K ...
    Marko Marko January 2006 Sinclair Miscellaneous
  • Funniest Spectrum-related memorySeeing the emulated loading screen on the Dreamcast speccy emulator reminded me of something from many moons ago. I was in the local computer shop w…

    ... 1302 but the spectrum's ROM SAVE routine (which is what all ... jump into) can only save, at best, just short of 64K ...
    JasonWatkins JasonWatkins January 2006 Sinclair Miscellaneous
  • Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …

    ... wouldn't have touched the ROM at all except for maybe the ... print screen routine for menus.

    These days the ROM is ... address of the IM2 routine will be at IM2table+255 (LSB, MSB ... , are they enabled) that the routine would seem to operate normally ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Sinclair Basic
<1234567…34>

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